Erasing EEPROMs Isn’t Always As Easy As It Seems

When is 14 volts not actually 14 volts? Given [Anders Nielsen]’s recent struggles with erasing an old-school EEPROM, it’s when you really need it that things tend to go pear-shaped. A l…

Stuffing A 32-Pin Chip Into A 28-Pin Socket

What’s the difference between a 64k ROM in a 28-pin DIP and a 128k ROM in a 32-pin DIP? Aside from the obvious answers of “64k” and “four pins,” it turns out that thes…